<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head id="head">
  <link href="http://www.example.org/css.css" rel="stylesheet" type="text/css">
  <title>An example</title>
</head>
<body>
  <!--[if IE 5]>
  <p>Welcome to Internet Explorer 5.</p>
  <![endif]-->

  <!--[if IE]><p>You are using Internet Explorer.</p><![endif]-->
  <!--[if !IE]><p>You are not using Internet Explorer.</p><![endif]-->
  
  <!--[if IE 7]><p>Welcome to Internet Explorer 7!</p><![endif]-->
  <!--[if !(IE 7)]><p>You are not using version 7.</p><![endif]-->
  
  <!--[if gte IE 7]><p>You are using IE 7 or greater.</p><![endif]-->
  <!--[if (IE 5)]><p>You are using IE 5 (any version).</p><![endif]-->
  <!--[if (gte IE 5.5)&(lt IE 7)]><p>You are using IE 5.5 or IE 6.</p><![endif]-->
  <!--[if lt IE 5.5]><p>Please upgrade your version of Internet Explorer.</p><![endif]-->
  
  <!--[if true]>You are using an <em>uplevel</em> browser.<![endif]-->
  <!--[if false]>You are using a <em>downlevel</em> browser.<![endif]-->
  
  <!--[if true]><![if IE 7]><p>This nested comment is displayed in IE 7.</p><![endif]><![endif]-->

  <!-- this standard comment should be removed -->
</body>
</html>